13923477 has 24 divisors (see below), whose sum is σ = 20868120. Its totient is φ = 8939520.

The previous prime is 13923473. The next prime is 13923479. The reversal of 13923477 is 77432931.

13923477 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40401 + 13883076 = 201^2 + 3726^2 .

It is not a de Polignac number, because 13923477 - 2² = 13923473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35599 + ... + 35987.

It is an arithmetic number, because the mean of its divisors is an integer number (869505).

Almost surely, 2^13923477 is an apocalyptic number.

It is an amenable number.

13923477 is a deficient number, since it is larger than the sum of its proper divisors (6944643).

13923477 is a wasteful number, since it uses less digits than its factorization.

13923477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 530 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13923477 is about 3731.4175590518. The cubic root of 13923477 is about 240.5743017269.

It can be divided in two parts, 13923 and 477, that added together give a square (14400 = 120²).

The spelling of 13923477 in words is "thirteen million, nine hundred twenty-three thousand, four hundred seventy-seven".