13740225 has 12 divisors (see below), whose sum is σ = 22717296. Its totient is φ = 7328080.

The previous prime is 13740203. The next prime is 13740241. The reversal of 13740225 is 52204731.

It is not a de Polignac number, because 13740225 - 2⁵ = 13740193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13740195 and 13740204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91527 + ... + 91676.

It is an arithmetic number, because the mean of its divisors is an integer number (1893108).

Almost surely, 2^13740225 is an apocalyptic number.

13740225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13740225 is a deficient number, since it is larger than the sum of its proper divisors (8977071).

13740225 is a wasteful number, since it uses less digits than its factorization.

13740225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183216 (or 183211 counting only the distinct ones).

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

The square root of 13740225 is about 3706.7809484781. The cubic root of 13740225 is about 239.5142083292.

Adding to 13740225 its reverse (52204731), we get a palindrome (65944956).

The spelling of 13740225 in words is "thirteen million, seven hundred forty thousand, two hundred twenty-five".