13340025 has 24 divisors (see below), whose sum is σ = 24507360. Its totient is φ = 7114320.

The previous prime is 13340021. The next prime is 13340027. The reversal of 13340025 is 52004331.

It is not a de Polignac number, because 13340025 - 2² = 13340021 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13340021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9207 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (1021140).

Almost surely, 2^13340025 is an apocalyptic number.

13340025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13340025 is a deficient number, since it is larger than the sum of its proper divisors (11167335).

13340025 is a wasteful number, since it uses less digits than its factorization.

13340025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19782 (or 19771 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13340025 is about 3652.3998959588. The cubic root of 13340025 is about 237.1658829055.

Adding to 13340025 its reverse (52004331), we get a palindrome (65344356).

The spelling of 13340025 in words is "thirteen million, three hundred forty thousand, twenty-five".