13077240 has 64 divisors (see below), whose sum is σ = 42802560. Its totient is φ = 3169920.

The previous prime is 13077227. The next prime is 13077287. The reversal of 13077240 is 4277031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13077240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3634 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (668790).

Almost surely, 2^13077240 is an apocalyptic number.

13077240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13077240 is an abundant number, since it is smaller than the sum of its proper divisors (29725320).

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

13077240 is a wasteful number, since it uses less digits than its factorization.

13077240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9932 (or 9928 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13077240 is about 3616.2466730023. The cubic root of 13077240 is about 235.5982343591.

The spelling of 13077240 in words is "thirteen million, seventy-seven thousand, two hundred forty".