13545967 has 4 divisors (see below), whose sum is σ = 13643560. Its totient is φ = 13448376.

The previous prime is 13545941. The next prime is 13545971. The reversal of 13545967 is 76954531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13545967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48588 + ... + 48865.

It is an arithmetic number, because the mean of its divisors is an integer number (3410890).

Almost surely, 2^13545967 is an apocalyptic number.

13545967 is a deficient number, since it is larger than the sum of its proper divisors (97593).

13545967 is an equidigital number, since it uses as much as digits as its factorization.

13545967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97592.

The product of its digits is 113400, while the sum is 40.

The square root of 13545967 is about 3680.4846148300. The cubic root of 13545967 is about 238.3801037308.

The spelling of 13545967 in words is "thirteen million, five hundred forty-five thousand, nine hundred sixty-seven".