13231370 has 8 divisors (see below), whose sum is σ = 23816484. Its totient is φ = 5292544.

The previous prime is 13231369. The next prime is 13231373. The reversal of 13231370 is 7313231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 579121 = 3557^2 + 761^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13231373) 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 3 ways as a sum of consecutive naturals, for example, 661559 + ... + 661578.

Almost surely, 2^13231370 is an apocalyptic number.

13231370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13231370 is a deficient number, since it is larger than the sum of its proper divisors (10585114).

13231370 is a wasteful number, since it uses less digits than its factorization.

13231370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323144.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13231370 is about 3637.4950171787. The cubic root of 13231370 is about 236.5202184188.

The spelling of 13231370 in words is "thirteen million, two hundred thirty-one thousand, three hundred seventy".