13077825 has 24 divisors (see below), whose sum is σ = 21808128. Its totient is φ = 6914880.

The previous prime is 13077821. The next prime is 13077839. The reversal of 13077825 is 52877031.

It is not a de Polignac number, because 13077825 - 2² = 13077821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13077821) 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 23 ways as a sum of consecutive naturals, for example, 8839 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (908672).

Almost surely, 2^13077825 is an apocalyptic number.

13077825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13077825 is a deficient number, since it is larger than the sum of its proper divisors (8730303).

13077825 is a wasteful number, since it uses less digits than its factorization.

13077825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 13077825 is about 3616.3275570667. The cubic root of 13077825 is about 235.6017474070.

The spelling of 13077825 in words is "thirteen million, seventy-seven thousand, eight hundred twenty-five".