13641967 has 8 divisors (see below), whose sum is σ = 14277600. Its totient is φ = 13009920.

The previous prime is 13641961. The next prime is 13641989. The reversal of 13641967 is 76914631.

13641967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13641967 - 2⁷ = 13641839 is a prime.

It is a super-2 number, since 2×13641967² = 372206527258178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9667 + ... + 10987.

It is an arithmetic number, because the mean of its divisors is an integer number (1784700).

Almost surely, 2^13641967 is an apocalyptic number.

13641967 is a deficient number, since it is larger than the sum of its proper divisors (635633).

13641967 is a wasteful number, since it uses less digits than its factorization.

13641967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its digits is 27216, while the sum is 37.

The square root of 13641967 is about 3693.5033504791. The cubic root of 13641967 is about 238.9419103350.

The spelling of 13641967 in words is "thirteen million, six hundred forty-one thousand, nine hundred sixty-seven".