13949407 has 4 divisors (see below), whose sum is σ = 14326456. Its totient is φ = 13572360.

The previous prime is 13949387. The next prime is 13949417. The reversal of 13949407 is 70494931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13949407 - 2¹¹ = 13947359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 377011 = 13949407 / (1 + 3 + 9 + 4 + 9 + 4 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13949417) 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, 188469 + ... + 188542.

It is an arithmetic number, because the mean of its divisors is an integer number (3581614).

Almost surely, 2^13949407 is an apocalyptic number.

13949407 is a deficient number, since it is larger than the sum of its proper divisors (377049).

13949407 is an equidigital number, since it uses as much as digits as its factorization.

13949407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377048.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13949407 is about 3734.8904937093. The cubic root of 13949407 is about 240.7235514006.

It can be divided in two parts, 1394 and 9407, that added together give a palindrome (10801).

The spelling of 13949407 in words is "thirteen million, nine hundred forty-nine thousand, four hundred seven".