13008749 has 8 divisors (see below), whose sum is σ = 14747040. Its totient is φ = 11375856.

The previous prime is 13008727. The next prime is 13008761. The reversal of 13008749 is 94780031.

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 13008749 - 2⁸ = 13008493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13008449) 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, 26087 + ... + 26580.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^13008749 is an apocalyptic number.

13008749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13008749 is a deficient number, since it is larger than the sum of its proper divisors (1738291).

13008749 is a wasteful number, since it uses less digits than its factorization.

13008749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52699.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 13008749 is about 3606.7643394045. The cubic root of 13008749 is about 235.1862052181.

The spelling of 13008749 in words is "thirteen million, eight thousand, seven hundred forty-nine".