13747225 has 12 divisors (see below), whose sum is σ = 17141760. Its totient is φ = 10936400.

The previous prime is 13747213. The next prime is 13747231. The reversal of 13747225 is 52274731.

It is not a de Polignac number, because 13747225 - 2¹¹ = 13745177 is a prime.

13747225 is a Rhonda number in base 12.

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, 3336 + ... + 6214.

It is an arithmetic number, because the mean of its divisors is an integer number (1428480).

Almost surely, 2^13747225 is an apocalyptic number.

It is an amenable number.

13747225 is a deficient number, since it is larger than the sum of its proper divisors (3394535).

13747225 is a wasteful number, since it uses less digits than its factorization.

13747225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080 (or 3075 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 13747225 is about 3707.7250437431. The cubic root of 13747225 is about 239.5548751747.

The spelling of 13747225 in words is "thirteen million, seven hundred forty-seven thousand, two hundred twenty-five".