10499520 has 56 divisors (see below), whose sum is σ = 33339024. Its totient is φ = 2799616.

The previous prime is 10499513. The next prime is 10499521. The reversal of 10499520 is 2599401.

It is a happy number.

It is a super-2 number, since 2×10499520² = 220479840460800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10499521) 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, 4509 + ... + 6428.

Almost surely, 2^10499520 is an apocalyptic number.

10499520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10499520 is an abundant number, since it is smaller than the sum of its proper divisors (22839504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10499520 is a wasteful number, since it uses less digits than its factorization.

10499520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957 (or 10947 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 10499520 is about 3240.2962827495. The cubic root of 10499520 is about 218.9726201671.

The spelling of 10499520 in words is "ten million, four hundred ninety-nine thousand, five hundred twenty".