13361404 has 24 divisors (see below), whose sum is σ = 26808320. Its totient is φ = 5708016.

The previous prime is 13361401. The next prime is 13361407. The reversal of 13361404 is 40416331.

It is an interprime number because it is at equal distance from previous prime (13361401) and next prime (13361407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13361401) 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, 11749 + ... + 12835.

Almost surely, 2^13361404 is an apocalyptic number.

13361404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13361404 is an abundant number, since it is smaller than the sum of its proper divisors (13446916).

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

13361404 is a wasteful number, since it uses less digits than its factorization.

13361404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13361404 is about 3655.3254301088. The cubic root of 13361404 is about 237.2925109339.

Adding to 13361404 its reverse (40416331), we get a palindrome (53777735).

The spelling of 13361404 in words is "thirteen million, three hundred sixty-one thousand, four hundred four".