13029650 has 24 divisors (see below), whose sum is σ = 25662420. Its totient is φ = 4904960.

The previous prime is 13029637. The next prime is 13029683. The reversal of 13029650 is 5692031.

It can be written as a sum of positive squares in 6 ways, for example, as 3598609 + 9431041 = 1897^2 + 3071^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6815 + ... + 8514.

Almost surely, 2^13029650 is an apocalyptic number.

13029650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13029650 is a deficient number, since it is larger than the sum of its proper divisors (12632770).

13029650 is a wasteful number, since it uses less digits than its factorization.

13029650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15358 (or 15353 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13029650 is about 3609.6606488699. The cubic root of 13029650 is about 235.3120947662.

The spelling of 13029650 in words is "thirteen million, twenty-nine thousand, six hundred fifty".