13169961 has 48 divisors (see below), whose sum is σ = 23212800. Its totient is φ = 7032960.

The previous prime is 13169957. The next prime is 13169963. The reversal of 13169961 is 16996131.

13169961 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 13169961 - 2² = 13169957 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (8748) is a multiple of the sum of its prime divisors (243).

It is not an unprimeable number, because it can be changed into a prime (13169963) 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, 88315 + ... + 88463.

It is an arithmetic number, because the mean of its divisors is an integer number (483600).

Almost surely, 2^13169961 is an apocalyptic number.

It is an amenable number.

13169961 is a deficient number, since it is larger than the sum of its proper divisors (10042839).

13169961 is a wasteful number, since it uses less digits than its factorization.

13169961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 243 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 13169961 is about 3629.0440890130. The cubic root of 13169961 is about 236.1537409143.

The spelling of 13169961 in words is "thirteen million, one hundred sixty-nine thousand, nine hundred sixty-one".