13031452 has 36 divisors (see below), whose sum is σ = 28095984. Its totient is φ = 5255040.

The previous prime is 13031443. The next prime is 13031461. The reversal of 13031452 is 25413031.

It is an interprime number because it is at equal distance from previous prime (13031443) and next prime (13031461).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1377 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (780444).

Almost surely, 2^13031452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14047992).

13031452 is an abundant number, since it is smaller than the sum of its proper divisors (15064532).

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

13031452 is a wasteful number, since it uses less digits than its factorization.

13031452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13031452 is about 3609.9102481918. The cubic root of 13031452 is about 235.3229421501.

Adding to 13031452 its reverse (25413031), we get a palindrome (38444483).

The spelling of 13031452 in words is "thirteen million, thirty-one thousand, four hundred fifty-two".