13725542 has 4 divisors (see below), whose sum is σ = 20588316. Its totient is φ = 6862770.

The previous prime is 13725527. The next prime is 13725559. The reversal of 13725542 is 24552731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3431384 + ... + 3431387.

It is an arithmetic number, because the mean of its divisors is an integer number (5147079).

Almost surely, 2^13725542 is an apocalyptic number.

13725542 is a deficient number, since it is larger than the sum of its proper divisors (6862774).

13725542 is an equidigital number, since it uses as much as digits as its factorization.

13725542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862773.

The product of its digits is 8400, while the sum is 29.

The square root of 13725542 is about 3704.7998596415. The cubic root of 13725542 is about 239.4288618238.

It can be divided in two parts, 137255 and 42, that multiplied together give a triangular number (5764710 = T₃₃₉₅).

The spelling of 13725542 in words is "thirteen million, seven hundred twenty-five thousand, five hundred forty-two".