13623066 has 24 divisors (see below), whose sum is σ = 30610944. Its totient is φ = 4540860.

The previous prime is 13623059. The next prime is 13623073. The reversal of 13623066 is 66032631.

It is an interprime number because it is at equal distance from previous prime (13623059) and next prime (13623073).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13530 + ... + 14501.

It is an arithmetic number, because the mean of its divisors is an integer number (1275456).

Almost surely, 2^13623066 is an apocalyptic number.

13623066 is an abundant number, since it is smaller than the sum of its proper divisors (16987878).

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

13623066 is an equidigital number, since it uses as much as digits as its factorization.

13623066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28048 (or 28036 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 13623066 is about 3690.9437817447. The cubic root of 13623066 is about 238.8315076732.

Adding to 13623066 its reverse (66032631), we get a palindrome (79655697).

The spelling of 13623066 in words is "thirteen million, six hundred twenty-three thousand, sixty-six".