10813649 has 24 divisors (see below), whose sum is σ = 14402304. Its totient is φ = 7920000.

The previous prime is 10813639. The next prime is 10813651. The reversal of 10813649 is 94631801.

It is a happy number.

It is not a de Polignac number, because 10813649 - 2⁴ = 10813633 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10813639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14024 + ... + 14774.

It is an arithmetic number, because the mean of its divisors is an integer number (600096).

Almost surely, 2^10813649 is an apocalyptic number.

It is an amenable number.

10813649 is a deficient number, since it is larger than the sum of its proper divisors (3588655).

10813649 is a wasteful number, since it uses less digits than its factorization.

10813649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10813649 is about 3288.4113185549. The cubic root of 10813649 is about 221.1349680261.

The spelling of 10813649 in words is "ten million, eight hundred thirteen thousand, six hundred forty-nine".