13940349 has 4 divisors (see below), whose sum is σ = 18587136. Its totient is φ = 9293564.

The previous prime is 13940347. The next prime is 13940351. The reversal of 13940349 is 94304931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13940347) and next prime (13940351).

It is a cyclic number.

It is not a de Polignac number, because 13940349 - 2¹ = 13940347 is a prime.

It is a super-3 number, since 3×13940349³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13940347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2323389 + ... + 2323394.

It is an arithmetic number, because the mean of its divisors is an integer number (4646784).

Almost surely, 2^13940349 is an apocalyptic number.

It is an amenable number.

13940349 is a deficient number, since it is larger than the sum of its proper divisors (4646787).

13940349 is an equidigital number, since it uses as much as digits as its factorization.

13940349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646786.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 13940349 is about 3733.6776775721. The cubic root of 13940349 is about 240.6714357788.

The spelling of 13940349 in words is "thirteen million, nine hundred forty thousand, three hundred forty-nine".