13149370 has 16 divisors (see below), whose sum is σ = 25489800. Its totient is φ = 4855104.

The previous prime is 13149361. The next prime is 13149377. The reversal of 13149370 is 7394131.

It can be written as a sum of positive squares in 4 ways, for example, as 12131289 + 1018081 = 3483^2 + 1009^2 .

It is a super-4 number, since 4×13149370⁴ (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (13149377) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50445 + ... + 50704.

Almost surely, 2^13149370 is an apocalyptic number.

13149370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13149370 is a deficient number, since it is larger than the sum of its proper divisors (12340430).

13149370 is a wasteful number, since it uses less digits than its factorization.

13149370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101169.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13149370 is about 3626.2060062826. The cubic root of 13149370 is about 236.0306026580.

The spelling of 13149370 in words is "thirteen million, one hundred forty-nine thousand, three hundred seventy".