13649296 has 40 divisors (see below), whose sum is σ = 28346400. Its totient is φ = 6347520.

The previous prime is 13649261. The next prime is 13649297. The reversal of 13649296 is 69294631.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649297) 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, 17556 + ... + 18316.

It is an arithmetic number, because the mean of its divisors is an integer number (708660).

Almost surely, 2^13649296 is an apocalyptic number.

13649296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13649296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14173200).

13649296 is an abundant number, since it is smaller than the sum of its proper divisors (14697104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13649296 is a wasteful number, since it uses less digits than its factorization.

13649296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 841 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 13649296 is about 3694.4953647284. The cubic root of 13649296 is about 238.9846923314.

The spelling of 13649296 in words is "thirteen million, six hundred forty-nine thousand, two hundred ninety-six".