13923252 has 90 divisors (see below), whose sum is σ = 42388962. Its totient is φ = 3973536.

The previous prime is 13923251. The next prime is 13923253. The reversal of 13923252 is 25232931.

It is an interprime number because it is at equal distance from previous prime (13923251) and next prime (13923253).

It can be written as a sum of positive squares in only one way, i.e., 13351716 + 571536 = 3654^2 + 756^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 15438 + ... + 16314.

Almost surely, 2^13923252 is an apocalyptic number.

13923252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13923252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21194481).

13923252 is an abundant number, since it is smaller than the sum of its proper divisors (28465710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13923252 is a wasteful number, since it uses less digits than its factorization.

13923252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 889 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 13923252 is about 3731.3874095301. The cubic root of 13923252 is about 240.5730058458.

The spelling of 13923252 in words is "thirteen million, nine hundred twenty-three thousand, two hundred fifty-two".