13269861 has 12 divisors (see below), whose sum is σ = 20910240. Its totient is φ = 8042280.

The previous prime is 13269859. The next prime is 13269869. The reversal of 13269861 is 16896231.

It is not a de Polignac number, because 13269861 - 2¹ = 13269859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13269869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66921 + ... + 67118.

It is an arithmetic number, because the mean of its divisors is an integer number (1742520).

Almost surely, 2^13269861 is an apocalyptic number.

13269861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13269861 is a deficient number, since it is larger than the sum of its proper divisors (7640379).

13269861 is a wasteful number, since it uses less digits than its factorization.

13269861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134056 (or 134053 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 13269861 is about 3642.7820412427. The cubic root of 13269861 is about 236.7493477783.

The spelling of 13269861 in words is "thirteen million, two hundred sixty-nine thousand, eight hundred sixty-one".