13616073 has 8 divisors (see below), whose sum is σ = 20172000. Its totient is φ = 9077364.

The previous prime is 13616047. The next prime is 13616081. The reversal of 13616073 is 37061631.

It is not a de Polignac number, because 13616073 - 2¹² = 13611977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 504299 = 13616073 / (1 + 3 + 6 + 1 + 6 + 0 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (13616773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252123 + ... + 252176.

It is an arithmetic number, because the mean of its divisors is an integer number (2521500).

Almost surely, 2^13616073 is an apocalyptic number.

It is an amenable number.

13616073 is a deficient number, since it is larger than the sum of its proper divisors (6555927).

13616073 is an equidigital number, since it uses as much as digits as its factorization.

13616073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504308 (or 504302 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13616073 is about 3689.9963414616. The cubic root of 13616073 is about 238.7906349702.

Adding to 13616073 its sum of digits (27), we get a square (13616100 = 3690²).

The spelling of 13616073 in words is "thirteen million, six hundred sixteen thousand, seventy-three".