13540628 has 6 divisors (see below), whose sum is σ = 23696106. Its totient is φ = 6770312.

The previous prime is 13540627. The next prime is 13540643. The reversal of 13540628 is 82604531.

13540628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11641744 + 1898884 = 3412^2 + 1378^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13540628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1692575 + ... + 1692582.

It is an arithmetic number, because the mean of its divisors is an integer number (3949351).

Almost surely, 2^13540628 is an apocalyptic number.

It is an amenable number.

13540628 is a deficient number, since it is larger than the sum of its proper divisors (10155478).

13540628 is a wasteful number, since it uses less digits than its factorization.

13540628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385161 (or 3385159 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13540628 is about 3679.7592312541. The cubic root of 13540628 is about 238.3487812809.

The spelling of 13540628 in words is "thirteen million, five hundred forty thousand, six hundred twenty-eight".