13021452 has 24 divisors (see below), whose sum is σ = 33759600. Its totient is φ = 4340448.

The previous prime is 13021451. The next prime is 13021453. The reversal of 13021452 is 25412031.

It is an interprime number because it is at equal distance from previous prime (13021451) and next prime (13021453).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13021451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60177 + ... + 60392.

It is an arithmetic number, because the mean of its divisors is an integer number (1406650).

Almost surely, 2^13021452 is an apocalyptic number.

13021452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13021452 is an abundant number, since it is smaller than the sum of its proper divisors (20738148).

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

13021452 is a wasteful number, since it uses less digits than its factorization.

13021452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120582 (or 120574 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13021452 is about 3608.5249063849. The cubic root of 13021452 is about 235.2627331620.

Adding to 13021452 its reverse (25412031), we get a palindrome (38433483).

The spelling of 13021452 in words is "thirteen million, twenty-one thousand, four hundred fifty-two".