13642404 has 24 divisors (see below), whose sum is σ = 33216960. Its totient is φ = 4349664.

The previous prime is 13642357. The next prime is 13642423. The reversal of 13642404 is 40424631.

It is a super-2 number, since 2×13642404² = 372230373798432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24439 + ... + 24990.

It is an arithmetic number, because the mean of its divisors is an integer number (1384040).

Almost surely, 2^13642404 is an apocalyptic number.

It is an amenable number.

13642404 is an abundant number, since it is smaller than the sum of its proper divisors (19574556).

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

13642404 is a wasteful number, since it uses less digits than its factorization.

13642404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49459 (or 49457 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 13642404 is about 3693.5625079319. The cubic root of 13642404 is about 238.9444616900.

The spelling of 13642404 in words is "thirteen million, six hundred forty-two thousand, four hundred four".