13409296 has 20 divisors (see below), whose sum is σ = 26615484. Its totient is φ = 6540800.

The previous prime is 13409287. The next prime is 13409303. The reversal of 13409296 is 69290431.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 7952400 = 2336^2 + 2820^2 .

It is a super-3 number, since 3×13409296³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9565 + ... + 10876.

Almost surely, 2^13409296 is an apocalyptic number.

13409296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13409296 is a deficient number, since it is larger than the sum of its proper divisors (13206188).

13409296 is a wasteful number, since it uses less digits than its factorization.

13409296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490 (or 20484 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 13409296 is about 3661.8705602465. The cubic root of 13409296 is about 237.5756863118.

The spelling of 13409296 in words is "thirteen million, four hundred nine thousand, two hundred ninety-six".