12740325 has 48 divisors (see below), whose sum is σ = 23123520. Its totient is φ = 6151680.

The previous prime is 12740303. The next prime is 12740333. The reversal of 12740325 is 52304721.

12740325 = T₂₀₆ + T₂₀₇ + ... + T₄₃₉.

12740325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12740325 - 2⁷ = 12740197 is a prime.

It is a super-2 number, since 2×12740325² = 324631762211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12740295 and 12740304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71086 + ... + 71264.

It is an arithmetic number, because the mean of its divisors is an integer number (481740).

Almost surely, 2^12740325 is an apocalyptic number.

12740325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12740325 is a deficient number, since it is larger than the sum of its proper divisors (10383195).

12740325 is a wasteful number, since it uses less digits than its factorization.

12740325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12740325 is about 3569.3591861845. The cubic root of 12740325 is about 233.5573302486.

The spelling of 12740325 in words is "twelve million, seven hundred forty thousand, three hundred twenty-five".