13152649 has 8 divisors (see below), whose sum is σ = 13945088. Its totient is φ = 12383280.

The previous prime is 13152641. The next prime is 13152653. The reversal of 13152649 is 94625131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13152649 - 2³ = 13152641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13152649.

It is not an unprimeable number, because it can be changed into a prime (13152641) 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, 4587 + ... + 6880.

It is an arithmetic number, because the mean of its divisors is an integer number (1743136).

Almost surely, 2^13152649 is an apocalyptic number.

13152649 is the 2294-th heptagonal number.

It is an amenable number.

13152649 is a deficient number, since it is larger than the sum of its proper divisors (792439).

13152649 is a wasteful number, since it uses less digits than its factorization.

13152649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11535.

The product of its digits is 6480, while the sum is 31.

The square root of 13152649 is about 3626.6581035438. The cubic root of 13152649 is about 236.0502203284.

The spelling of 13152649 in words is "thirteen million, one hundred fifty-two thousand, six hundred forty-nine".