13207725 has 48 divisors (see below), whose sum is σ = 25712640. Its totient is φ = 6624000.

The previous prime is 13207723. The next prime is 13207729. The reversal of 13207725 is 52770231.

It is not a de Polignac number, because 13207725 - 2¹ = 13207723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13207721) 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 47 ways as a sum of consecutive naturals, for example, 10900 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^13207725 is an apocalyptic number.

13207725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13207725 is a deficient number, since it is larger than the sum of its proper divisors (12504915).

13207725 is a wasteful number, since it uses less digits than its factorization.

13207725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13207725 is about 3634.2433875568. The cubic root of 13207725 is about 236.3792439712.

Adding to 13207725 its reverse (52770231), we get a palindrome (65977956).

It can be divided in two parts, 1320 and 7725, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 13207725 in words is "thirteen million, two hundred seven thousand, seven hundred twenty-five".