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12190077 = 321971287
BaseRepresentation
bin101110100000…
…000101111101
3211221022122100
4232200011331
511110040302
61113135313
7205420404
oct56400575
924838570
1012190077
116976649
1240ba539
1326aa683
14189463b
15110bd1c
hexba017d

12190077 has 12 divisors (see below), whose sum is σ = 18534880. Its totient is φ = 7698888.

The previous prime is 12190067. The next prime is 12190081. The reversal of 12190077 is 77009121.

12190077 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 not a de Polignac number, because 12190077 - 27 = 12189949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12190077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35473 + ... + 35814.

Almost surely, 212190077 is an apocalyptic number.

It is an amenable number.

12190077 is a deficient number, since it is larger than the sum of its proper divisors (6344803).

12190077 is a wasteful number, since it uses less digits than its factorization.

12190077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71312 (or 71309 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 12190077 is about 3491.4290770399. The cubic root of 12190077 is about 230.1453208910.

Adding to 12190077 its reverse (77009121), we get a palindrome (89199198).

The spelling of 12190077 in words is "twelve million, one hundred ninety thousand, seventy-seven".

Divisors: 1 3 9 19 57 171 71287 213861 641583 1354453 4063359 12190077