13623934 has 4 divisors (see below), whose sum is σ = 20435904. Its totient is φ = 6811966.

The previous prime is 13623901. The next prime is 13623943. The reversal of 13623934 is 43932631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43932631 = 1277 ⋅34403.

It is a super-2 number, since 2×13623934² = 371223155272712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13623896 and 13623905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405982 + ... + 3405985.

It is an arithmetic number, because the mean of its divisors is an integer number (5108976).

Almost surely, 2^13623934 is an apocalyptic number.

13623934 is a deficient number, since it is larger than the sum of its proper divisors (6811970).

13623934 is an equidigital number, since it uses as much as digits as its factorization.

13623934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811969.

The product of its digits is 11664, while the sum is 31.

The square root of 13623934 is about 3691.0613649735. The cubic root of 13623934 is about 238.8365799857.

The spelling of 13623934 in words is "thirteen million, six hundred twenty-three thousand, nine hundred thirty-four".