13835961 has 8 divisors (see below), whose sum is σ = 20497760. Its totient is φ = 9223956.

The previous prime is 13835953. The next prime is 13835989. The reversal of 13835961 is 16953831.

It is a happy number.

It is not a de Polignac number, because 13835961 - 2³ = 13835953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13835911) 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, 256195 + ... + 256248.

It is an arithmetic number, because the mean of its divisors is an integer number (2562220).

Almost surely, 2^13835961 is an apocalyptic number.

It is an amenable number.

13835961 is a deficient number, since it is larger than the sum of its proper divisors (6661799).

13835961 is an equidigital number, since it uses as much as digits as its factorization.

13835961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512452 (or 512446 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 13835961 is about 3719.6721629735. The cubic root of 13835961 is about 240.0691987961.

The spelling of 13835961 in words is "thirteen million, eight hundred thirty-five thousand, nine hundred sixty-one".