13626428 has 12 divisors (see below), whose sum is σ = 24353952. Its totient is φ = 6668160.

The previous prime is 13626413. The next prime is 13626443. The reversal of 13626428 is 82462631.

It is an interprime number because it is at equal distance from previous prime (13626413) and next prime (13626443).

It is a junction number, because it is equal to n+sod(n) for n = 13626394 and 13626403.

It is a congruent number.

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, 36053 + ... + 36428.

It is an arithmetic number, because the mean of its divisors is an integer number (2029496).

Almost surely, 2^13626428 is an apocalyptic number.

It is an amenable number.

13626428 is a deficient number, since it is larger than the sum of its proper divisors (10727524).

13626428 is a wasteful number, since it uses less digits than its factorization.

13626428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72532 (or 72530 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 13626428 is about 3691.3991927181. The cubic root of 13626428 is about 238.8511529200.

The spelling of 13626428 in words is "thirteen million, six hundred twenty-six thousand, four hundred twenty-eight".