13029645 has 16 divisors (see below), whose sum is σ = 21333312. Its totient is φ = 6787200.

The previous prime is 13029637. The next prime is 13029683. The reversal of 13029645 is 54692031.

It is not a de Polignac number, because 13029645 - 2³ = 13029637 is a prime.

It is a super-3 number, since 3×13029645³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9456 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (1333332).

Almost surely, 2^13029645 is an apocalyptic number.

13029645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13029645 is a deficient number, since it is larger than the sum of its proper divisors (8303667).

13029645 is a wasteful number, since it uses less digits than its factorization.

13029645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20252.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13029645 is about 3609.6599562840. The cubic root of 13029645 is about 235.3120646666.

The spelling of 13029645 in words is "thirteen million, twenty-nine thousand, six hundred forty-five".