13542669 has 48 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 7479360.

The previous prime is 13542647. The next prime is 13542673. The reversal of 13542669 is 96624531.

It is a happy number.

13542669 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13542669 - 2⁵ = 13542637 is a prime.

It is a super-2 number, since 2×13542669² = 366807767287122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126514 + ... + 126620.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^13542669 is an apocalyptic number.

It is an amenable number.

13542669 is a deficient number, since it is larger than the sum of its proper divisors (10044531).

13542669 is a wasteful number, since it uses less digits than its factorization.

13542669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 158 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 13542669 is about 3680.0365487315. The cubic root of 13542669 is about 238.3607562406.

The spelling of 13542669 in words is "thirteen million, five hundred forty-two thousand, six hundred sixty-nine".