13048749 has 32 divisors (see below), whose sum is σ = 22560000. Its totient is φ = 7451136.

The previous prime is 13048747. The next prime is 13048769. The reversal of 13048749 is 94784031.

It is a happy number.

13048749 is a `hidden beast` number, since 130 + 487 + 49 = 666.

It is not a de Polignac number, because 13048749 - 2¹ = 13048747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13048747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8557 + ... + 9965.

It is an arithmetic number, because the mean of its divisors is an integer number (705000).

Almost surely, 2^13048749 is an apocalyptic number.

It is an amenable number.

13048749 is a deficient number, since it is larger than the sum of its proper divisors (9511251).

13048749 is an equidigital number, since it uses as much as digits as its factorization.

13048749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13048749 is about 3612.3052196624. The cubic root of 13048749 is about 235.4270129615.

The spelling of 13048749 in words is "thirteen million, forty-eight thousand, seven hundred forty-nine".