13912628 has 6 divisors (see below), whose sum is σ = 24347106. Its totient is φ = 6956312.

The previous prime is 13912627. The next prime is 13912643. The reversal of 13912628 is 82621931.

It can be written as a sum of positive squares in only one way, i.e., 10679824 + 3232804 = 3268^2 + 1798^2 .

It is a super-2 number, since 2×13912628² = 387122435732768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13912594 and 13912603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13912627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739075 + ... + 1739082.

It is an arithmetic number, because the mean of its divisors is an integer number (4057851).

Almost surely, 2^13912628 is an apocalyptic number.

It is an amenable number.

13912628 is a deficient number, since it is larger than the sum of its proper divisors (10434478).

13912628 is a wasteful number, since it uses less digits than its factorization.

13912628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478161 (or 3478159 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 13912628 is about 3729.9635386958. The cubic root of 13912628 is about 240.5118013236.

The spelling of 13912628 in words is "thirteen million, nine hundred twelve thousand, six hundred twenty-eight".