13231402 has 8 divisors (see below), whose sum is σ = 19879200. Its totient is φ = 6605004.

The previous prime is 13231373. The next prime is 13231411. The reversal of 13231402 is 20413231.

It is a happy number.

13231402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702 + ... + 6337.

It is an arithmetic number, because the mean of its divisors is an integer number (2484900).

Almost surely, 2^13231402 is an apocalyptic number.

13231402 is a deficient number, since it is larger than the sum of its proper divisors (6647798).

13231402 is a wasteful number, since it uses less digits than its factorization.

13231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10700.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13231402 is about 3637.4994158075. The cubic root of 13231402 is about 236.5204090929.

Adding to 13231402 its reverse (20413231), we get a palindrome (33644633).

The spelling of 13231402 in words is "thirteen million, two hundred thirty-one thousand, four hundred two".