13652091 has 8 divisors (see below), whose sum is σ = 20225360. Its totient is φ = 9101376.

The previous prime is 13652081. The next prime is 13652101. The reversal of 13652091 is 19025631.

13652091 is a `hidden beast` number, since 1 + 3 + 652 + 0 + 9 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (13652081) and next prime (13652101).

It is a de Polignac number, because none of the positive numbers 2^k-13652091 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: 505633 = 13652091 / (1 + 3 + 6 + 5 + 2 + 0 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13652081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252790 + ... + 252843.

It is an arithmetic number, because the mean of its divisors is an integer number (2528170).

Almost surely, 2^13652091 is an apocalyptic number.

13652091 is a deficient number, since it is larger than the sum of its proper divisors (6573269).

13652091 is an equidigital number, since it uses as much as digits as its factorization.

13652091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505642 (or 505636 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 13652091 is about 3694.8736108289. The cubic root of 13652091 is about 239.0010037130.

The spelling of 13652091 in words is "thirteen million, six hundred fifty-two thousand, ninety-one".