13914644 has 6 divisors (see below), whose sum is σ = 24350634. Its totient is φ = 6957320.

The previous prime is 13914643. The next prime is 13914647. The reversal of 13914644 is 44641931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13764100 + 150544 = 3710^2 + 388^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13914644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13914643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739327 + ... + 1739334.

It is an arithmetic number, because the mean of its divisors is an integer number (4058439).

Almost surely, 2^13914644 is an apocalyptic number.

It is an amenable number.

13914644 is a deficient number, since it is larger than the sum of its proper divisors (10435990).

13914644 is a wasteful number, since it uses less digits than its factorization.

13914644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478665 (or 3478663 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 13914644 is about 3730.2337728352. The cubic root of 13914644 is about 240.5234178294.

The spelling of 13914644 in words is "thirteen million, nine hundred fourteen thousand, six hundred forty-four".