13946749 has 8 divisors (see below), whose sum is σ = 15111360. Its totient is φ = 12820416.

The previous prime is 13946747. The next prime is 13946761. The reversal of 13946749 is 94764931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13946749 - 2¹ = 13946747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13946747) 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, 8809 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (1888920).

Almost surely, 2^13946749 is an apocalyptic number.

It is an amenable number.

13946749 is a deficient number, since it is larger than the sum of its proper divisors (1164611).

13946749 is a wasteful number, since it uses less digits than its factorization.

13946749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19139.

The product of its digits is 163296, while the sum is 43.

The square root of 13946749 is about 3734.5346430312. The cubic root of 13946749 is about 240.7082608141.

The spelling of 13946749 in words is "thirteen million, nine hundred forty-six thousand, seven hundred forty-nine".