13039390 has 96 divisors (see below), whose sum is σ = 31026240. Its totient is φ = 3902976.

The previous prime is 13039373. The next prime is 13039393. The reversal of 13039390 is 9393031.

13039390 = T₁₉₆ + T₁₉₇ + ... + T₄₄₀.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13039393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146466 + ... + 146554.

It is an arithmetic number, because the mean of its divisors is an integer number (323190).

Almost surely, 2^13039390 is an apocalyptic number.

13039390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13039390 is an abundant number, since it is smaller than the sum of its proper divisors (17986850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13039390 is a wasteful number, since it uses less digits than its factorization.

13039390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 13039390 is about 3611.0095541275. The cubic root of 13039390 is about 235.3707141188.

The spelling of 13039390 in words is "thirteen million, thirty-nine thousand, three hundred ninety".