13949419 has 8 divisors (see below), whose sum is σ = 15467760. Its totient is φ = 12472800.

The previous prime is 13949417. The next prime is 13949423. The reversal of 13949419 is 91494931.

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 13949419 - 2¹ = 13949417 is a prime.

It is a super-2 number, since 2×13949419² = 389172580875122, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9724 + ... + 11065.

It is an arithmetic number, because the mean of its divisors is an integer number (1933470).

Almost surely, 2^13949419 is an apocalyptic number.

13949419 is a deficient number, since it is larger than the sum of its proper divisors (1518341).

13949419 is a wasteful number, since it uses less digits than its factorization.

13949419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20861.

The product of its digits is 34992, while the sum is 40.

The square root of 13949419 is about 3734.8921001817. The cubic root of 13949419 is about 240.7236204282.

The spelling of 13949419 in words is "thirteen million, nine hundred forty-nine thousand, four hundred nineteen".