13553402 has 8 divisors (see below), whose sum is σ = 20575296. Its totient is φ = 6694972.

The previous prime is 13553401. The next prime is 13553413. The reversal of 13553402 is 20435531.

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

It is not an unprimeable number, because it can be changed into a prime (13553401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40658 + ... + 40989.

It is an arithmetic number, because the mean of its divisors is an integer number (2571912).

Almost surely, 2^13553402 is an apocalyptic number.

13553402 is a deficient number, since it is larger than the sum of its proper divisors (7021894).

13553402 is an equidigital number, since it uses as much as digits as its factorization.

13553402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81732.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 13553402 is about 3681.4945334741. The cubic root of 13553402 is about 238.4237091302.

Adding to 13553402 its reverse (20435531), we get a palindrome (33988933).

The spelling of 13553402 in words is "thirteen million, five hundred fifty-three thousand, four hundred two".