Search a number
-
+
12164412 = 2231377977
BaseRepresentation
bin101110011001…
…110100111100
3211220000102210
4232121310330
511103230122
61112420420
7205252521
oct56316474
924800383
1012164412
116959337
1240a7710
13269baa0
141889148
15110440c
hexb99d3c

12164412 has 24 divisors (see below), whose sum is σ = 30567376. Its totient is φ = 3742848.

The previous prime is 12164387. The next prime is 12164423. The reversal of 12164412 is 21446121.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38833 + ... + 39144.

Almost surely, 212164412 is an apocalyptic number.

12164412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12164412 is an abundant number, since it is smaller than the sum of its proper divisors (18402964).

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

12164412 is a wasteful number, since it uses less digits than its factorization.

12164412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77997 (or 77995 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 12164412 is about 3487.7517113464. The cubic root of 12164412 is about 229.9836913452.

The spelling of 12164412 in words is "twelve million, one hundred sixty-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 77977 155954 233931 311908 467862 935724 1013701 2027402 3041103 4054804 6082206 12164412