13623946 has 16 divisors (see below), whose sum is σ = 23526720. Its totient is φ = 5796000.

The previous prime is 13623943. The next prime is 13623949. The reversal of 13623946 is 64932631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13623943) and next prime (13623949).

It is a super-2 number, since 2×13623946² = 371223809221832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13623943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (1470420).

Almost surely, 2^13623946 is an apocalyptic number.

13623946 is a deficient number, since it is larger than the sum of its proper divisors (9902774).

13623946 is a wasteful number, since it uses less digits than its factorization.

13623946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149.

The product of its digits is 23328, while the sum is 34.

The square root of 13623946 is about 3691.0629905218. The cubic root of 13623946 is about 238.8366501083.

The spelling of 13623946 in words is "thirteen million, six hundred twenty-three thousand, nine hundred forty-six".