13861494 has 48 divisors (see below), whose sum is σ = 32196528. Its totient is φ = 4294656.

The previous prime is 13861489. The next prime is 13861499. The reversal of 13861494 is 49416831.

13861494 is a `hidden beast` number, since 1 + 38 + 614 + 9 + 4 = 666.

13861494 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13861489) and next prime (13861499).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13861499) 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, 29449 + ... + 29915.

It is an arithmetic number, because the mean of its divisors is an integer number (670761).

Almost surely, 2^13861494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13861494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16098264).

13861494 is an abundant number, since it is smaller than the sum of its proper divisors (18335034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13861494 is a wasteful number, since it uses less digits than its factorization.

13861494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 586 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13861494 is about 3723.1027383085. The cubic root of 13861494 is about 240.2167832952.

The spelling of 13861494 in words is "thirteen million, eight hundred sixty-one thousand, four hundred ninety-four".