13049810 has 8 divisors (see below), whose sum is σ = 23489676. Its totient is φ = 5219920.

The previous prime is 13049759. The next prime is 13049821. The reversal of 13049810 is 1894031.

It can be written as a sum of positive squares in 2 ways, for example, as 11175649 + 1874161 = 3343^2 + 1369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13049810² = 340595082072200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13049810.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652481 + ... + 652500.

Almost surely, 2^13049810 is an apocalyptic number.

13049810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13049810 is a deficient number, since it is larger than the sum of its proper divisors (10439866).

13049810 is a wasteful number, since it uses less digits than its factorization.

13049810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304988.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13049810 is about 3612.4520758067. The cubic root of 13049810 is about 235.4333936827.

The spelling of 13049810 in words is "thirteen million, forty-nine thousand, eight hundred ten".